chore: format code and remove redundant blank lines

This commit applies automated code formatting across the project. The changes primarily involve removing unnecessary blank lines and ensuring consistent code style, improving readability and maintainability without altering functionality.

src/schedule/monthly_plan_manager.py

@@ -76,7 +76,7 @@ class MonthlyPlanManager:
             if len(plans) > max_plans:
                 logger.warning(f"当前月度计划数量 ({len(plans)}) 超出上限 ({max_plans})，将自动删除多余的计划。")
                 # 数据库查询结果已按创建时间降序排序（新的在前），直接截取超出上限的部分进行删除
-                plans_to_delete = plans[:len(plans)-max_plans]
+                plans_to_delete = plans[: len(plans) - max_plans]
                 delete_ids = [p.id for p in plans_to_delete]
                 delete_plans_by_ids(delete_ids)
                 # 重新获取计划列表
@@ -101,7 +101,7 @@ class MonthlyPlanManager:
     async def _generate_monthly_plans_logic(self, target_month: Optional[str] = None) -> bool:
         """
         生成指定月份的月度计划的核心逻辑
-        
+
         :param target_month: 目标月份，格式为 "YYYY-MM"。如果为 None，则为当前月份。
         :return: 是否生成成功
         """
@@ -291,6 +291,8 @@ class MonthlyPlanManager:
 
         except Exception as e:
             logger.error(f" 归档 {target_month} 月度计划时发生错误: {e}")
+
+
 class MonthlyPlanGenerationTask(AsyncTask):
     """每月初自动生成新月度计划的任务"""
 
@@ -327,7 +329,7 @@ class MonthlyPlanGenerationTask(AsyncTask):
                 current_month = next_month.strftime("%Y-%m")
                 logger.info(f" 到达月初，开始生成 {current_month} 的月度计划...")
                 await self.monthly_plan_manager._generate_monthly_plans_logic(current_month)
-                
+
             except asyncio.CancelledError:
                 logger.info(" 每月月度计划生成任务被取消。")
                 break